Polyploidy arises due to change in the

[ A ]    number of chromatids
[ B ]    structure of genes
[ C ]    structure of chromosomes
[ D ]    number of chromosomes right
Answer : Option D
Explanation :
number of chromosomes.An organism having more than two sets of homologous chromosomes is known as polyploid & the phenomenon polyploidy. Polyploidy may occur due to abnormal cell division, either during mitosis, or commonly during metaphase I in meiosis.Polyploidy refers to a numerical change in a whole set of chromosomes.
General Science MCQ Questions and Answers for competitive exams

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